CN209217107U - A kind of multi-series and parallel battery protecting plate component - Google Patents
A kind of multi-series and parallel battery protecting plate component Download PDFInfo
- Publication number
- CN209217107U CN209217107U CN201821925924.2U CN201821925924U CN209217107U CN 209217107 U CN209217107 U CN 209217107U CN 201821925924 U CN201821925924 U CN 201821925924U CN 209217107 U CN209217107 U CN 209217107U
- Authority
- CN
- China
- Prior art keywords
- battery
- protecting plate
- metal piece
- series
- battery protecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 146
- 229910052751 metal Inorganic materials 0.000 claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 81
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 73
- 238000005452 bending Methods 0.000 claims abstract description 34
- 238000003466 welding Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- -1 aluminium gold Chemical group 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 abstract description 5
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 abstract description 5
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of multi-series and parallel battery protecting plate component; including battery protecting plate and multiple batteries; cathode metal piece and negative metal piece are led on the battery; multiple first nickel connection sheets and multiple second nickel connection sheets are provided on the battery protecting plate, the first nickel connection sheet includes the first electrical connection section and the first bending segment；The second nickel connection sheet includes the second electrical connection section and the second bending segment；The bottom surface of the cathode metal piece is electrically connected section with described first and abuts, and abuts after the first bending segment bending with the top surface of the cathode metal piece；The bottom surface of the negative metal piece is electrically connected section with described second and abuts, and abuts after the second bending segment bending with the top surface of the negative metal piece.Multi-series and parallel battery protecting plate component provided by the utility model can guarantee being stably connected with for more batteries and battery protecting plate, advantageously reduce the internal resistance of junction, effectively avoid the generation of rosin joint.
Description
Technical field
The utility model belongs to battery structure technical field, and in particular to a kind of multi-series and parallel battery protecting plate component.
Background technique
In order to guarantee biggish power supply reserves and stable electric current output, multiple battery cores are usually subjected in parallel and/or string
Connection, to form battery pack, that is, multi-series and parallel battery.It is provided with protection board in battery pack, battery core is filled by protection board
Electric discharge is controlled, for avoiding overcharging for battery, the situation of over-discharge and short circuit, stable electricity between existing battery core and protection board
Connection is main to be realized by welding technique.
Welding technique between battery core and protection board includes soldering, spot welding, the methods of Laser Welding.The wherein efficiency of Laser Welding
And welding effect is optimal.Otherwise Laser Welding requirement, aluminium flake cannot will form rosin joint above nickel sheet.But it is many at present
The problem of model is due to protection board component, it is still desirable to using positive aluminum ear nickel-converting technique, spot welding protection board and battery core.Spot welding
It compares Laser Welding and is easy to produce spark, fry weldering, need human weld, efficiency is lower.
Utility model content
There is a problem of that rosin joint, welding efficiency are low for welding between existing multi-series and parallel battery and protection board, this is practical new
Type provides a kind of multi-series and parallel battery protecting plate component.
It is as follows that the utility model solves technical solution used by above-mentioned technical problem:
A kind of multi-series and parallel battery protecting plate component, including battery protecting plate and multiple batteries are provided, drawn on the battery
There are cathode metal piece and negative metal piece, series-parallel circuit and charge-discharge protection circuit, institute are provided on the battery protecting plate
It states series-parallel circuit to be electrically connected with the charge-discharge protection circuit, multiple first nickel connection sheets is provided on the battery protecting plate
With multiple second nickel connection sheets, the first nickel connection sheet includes the first electrical connection section and the first bending segment, first bending
The side that the side of section is electrically connected section with described first is connect bently；The second nickel connection sheet includes the second electrical connection section
With the second bending segment, the side that the side of second bending segment is electrically connected section with described second is connect bently；Described
One electrical connection section and the second electrical connection section are fixed on the battery protecting plate, and the first electrical connection section and described the
Two electrical connection sections are electrically connected with the series-parallel circuit respectively, and the cathode metal piece is electrically connected with the first nickel connection sheet,
The negative metal piece is electrically connected with the second nickel connection sheet, and multiple batteries are serially connected and/or in parallel；
The bottom surface of the cathode metal piece is electrically connected section with described first and abuts, after first bending segment bending with it is described
The top surface of cathode metal piece abuts；
The bottom surface of the negative metal piece is electrically connected section with described second and abuts, after second bending segment bending with it is described
The top surface of negative metal piece abuts.
According to multi-series and parallel battery protecting plate component provided by the utility model, by the way that multiple are arranged on battery protecting plate
The cathode metal piece of multiple batteries and negative metal piece are electrically connected in by one nickel connection sheet and multiple second nickel connection sheets
In one nickel connection sheet and the second nickel connection sheet, the series-parallel of multiple batteries is realized by the series-parallel circuit, while by first
Nickel connection sheet is set as the first electrical connection section and the first bending segment, and the first nickel connection sheet wraps cathode metal piece
It covers, sets the second electrical connection section and the second bending segment for the second nickel connection sheet, enable the second nickel connection sheet to cathode gold
Belong to piece to be coated, contact area is larger, advantageously reduces the internal resistance of junction, while facilitating and carrying out Laser Welding processing, effectively
The generation of rosin joint is avoided, improves connective stability, and this kind of structure does not need additionally to carry out turning nickel technique, reduces supplies consumption,
Improve processing efficiency.
Optionally, the cathode metal piece is aluminum metal film, and the negative metal piece is copper metal piece.
Optionally, be additionally provided with power supply line on the battery protecting plate, the power supply line by the battery protecting plate end
Portion introduces, and the power supply line is electrically connected with the charge-discharge protection circuit.
Optionally, multiple batteries include the first battery and the second battery, first battery and second battery
It is symmetrically disposed on the two sides of the battery protecting plate, the cathode metal piece and negative metal piece of first battery are located at described the
For one battery towards the end of the battery protecting plate, the cathode metal piece and negative metal piece of second battery are located at described the
Two batteries are symmetrically disposed on the battery protecting plate towards the end of the battery protecting plate, multiple first nickel connection sheets
Two sides inner edge, multiple second nickel connection sheets are symmetrically disposed on the two sides inner edge of the battery protecting plate.
Optionally, first battery and second battery are connected in series by the series-parallel circuit.
Optionally, first battery and second battery are connected in parallel by the series-parallel circuit.
It optionally, is laser welding, the negative metal piece between the cathode metal piece and the first nickel connection sheet
It is laser welding between the second nickel connection sheet.
Optionally, the battery is flexible packing lithium ion battery.
Optionally, the single cathode metal piece is corresponded welds with the single first nickel connection sheet, single described
Negative metal piece is corresponded to be welded with the single second nickel connection sheet.
Optionally, multiple cathode metal pieces and the single first nickel connection sheet are welded, multiple negative metals
Piece and the single second nickel connection sheet are welded.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the multi-series and parallel battery protecting plate component that an embodiment of the present invention provides；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the structure that the multi-series and parallel battery protecting plate component that an embodiment of the present invention provides is in non-bending state
Schematic diagram；
Fig. 4 is the enlarged diagram in Fig. 3 at B.
Appended drawing reference in Figure of description is as follows:
1, battery；1a, the first battery；1b, the second battery；11, cathode metal piece；12, negative metal piece；2, battery protection
Plate；21, power supply line；22, the first nickel connection sheet；221, the first electrical connection section；222, the first bending segment；23, the second nickel connection sheet；
231, the second electrical connection section；232, the second bending segment.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
In the description of the present invention, it should be understood that the orientation of the instructions such as term "top", "bottom", "inner", "outside"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
Shown in referring to figs. 1 to 4, an embodiment of the present invention provides a kind of multi-series and parallel battery protecting plate component, packet
Battery protecting plate 2 and multiple batteries 1 are included, cathode metal piece 11 and negative metal piece 12, the battery are led on the battery 1
Series-parallel circuit and charge-discharge protection circuit, the series-parallel circuit and the charge-discharge protection circuit are provided on protection board 2
Electrical connection, is provided with multiple first nickel connection sheets 22 and multiple second nickel connection sheets 23 on the battery protecting plate 2, and described first
Nickel connection sheet 22 includes the first electrical connection section 221 and the first bending segment 222, the side of first bending segment 222 and described the
The side of one electrical connection section 221 connects bently；The second nickel connection sheet 23 includes that the second electrical connection section 231 and second is curved
Trisection 232, the side that the side of second bending segment 232 is electrically connected section 231 with described second are connect bently；Described
One electrical connection section 221 and the second electrical connection section 231 are fixed on the battery protecting plate 2, and the first electrical connection section
221 and the second electrical connection section 231 be electrically connected respectively with the series-parallel circuit, the cathode metal piece 11 and described first
Nickel connection sheet 22 is electrically connected, and the negative metal piece 12 is electrically connected with the second nickel connection sheet 23, by multiple batteries 1
It is serially connected and/or in parallel；
The bottom surface of the cathode metal piece 11 is electrically connected section 221 with described first and abuts, and first bending segment 222 is bent
It is abutted afterwards with the top surface of the cathode metal piece 11；
The bottom surface of the negative metal piece 12 is electrically connected section 231 with described second and abuts, and second bending segment 232 is bent
It is abutted afterwards with the top surface of the negative metal piece 12.
It is multiple by being arranged on battery protecting plate 2 according to multi-series and parallel battery protecting plate component provided by the utility model
First nickel connection sheet 22 and multiple second nickel connection sheets 23, the cathode metal piece 11 of multiple batteries 1 and negative metal piece 12 are divided
It is not electrically connected in the first nickel connection sheet 22 and the second nickel connection sheet 23, multiple batteries 1 is realized by the series-parallel circuit
In series and parallel, while by the first nickel connection sheet 22 it is set as the first electrical connection section 221 and the first bending segment 222, so that the first nickel connects
Contact pin 22 can coat cathode metal piece 11, set the second electrical connection section 231 and second for the second nickel connection sheet 23
Bending segment 232 enables the second nickel connection sheet 23 to coat negative metal piece 12, and contact area is larger, is conducive to drop
The internal resistance of low junction, while facilitating and carrying out Laser Welding processing, the generation of rosin joint is effectively avoided, improves connective stability, and should
Kind structure does not need additionally to carry out turning nickel technique, reduces supplies consumption, improves processing efficiency.
In one embodiment, the cathode metal piece 11 is aluminum metal film, and the negative metal piece 12 is copper metal piece.
The clad structure that the first nickel connection sheet 22 is formed with the aluminum metal film meets Laser Welding condition, and described second
The clad structure that nickel connection sheet 23 and the copper metal piece are formed meets Laser Welding condition.
As shown in figures 1 and 3, in one embodiment, power supply line 21, the electricity are additionally provided on the battery protecting plate 2
Source line 21 is introduced by the end of the battery protecting plate 2, and the power supply line 21 is electrically connected with the charge-discharge protection circuit.
The power supply line 21 includes input power cord and output power line, and the input power cord is for external charge electricity
Source carries out charging operations to multiple batteries 1 by the charge power supply, and the battery protecting plate 2 mainly plays charging at this time
Protective effect, avoiding battery, there is a situation where charging overcharges and overcurrent；The output power line is used for external load, by multiple
1 pair of load of the battery carries out discharge operation, and the battery protecting plate 2 mainly plays discharge prevention at this time, and battery 1 is avoided to exist
There is a situation where over-discharge or short circuits in discharge process.
As shown in Figure 1 to 4, in one embodiment, multiple batteries 1 include the first battery 1a and the second battery 1b,
The first battery 1a and the second battery 1b is symmetrically disposed on the two sides of the battery protecting plate 2, the first battery 1a
Cathode metal piece 11 and negative metal piece 12 be located at the first battery 1a towards the end of the battery protecting plate 2, it is described
The cathode metal piece 11 and negative metal piece 12 of second battery 1b is located at the second battery 1b towards the battery protecting plate 2
End, multiple first nickel connection sheets 22 are symmetrically disposed on the two sides inner edge of the battery protecting plate 2, multiple second nickel
Connection sheet 23 is symmetrically disposed on the two sides inner edge of the battery protecting plate 2.
In the present embodiment, by the way that the first battery 1a and the second battery 1b are symmetrically disposed on the battery protection
The two sides of plate 2 can be conducive to the winding displacement arrangement of series-parallel circuit on battery protecting plate 2, save the space of battery protecting plate 2,
It should be noted that in other embodiments, the first battery 1a and the second battery 1b can also be carried out in other forms
Arrangement, the first battery 1a and the second battery 1b is set to the same side of the battery protecting plate 2 as will be described.
The quantity of the first battery 1a is one or more, and the quantity of the second battery 1b is one or more.
In various embodiments, described when the first battery 1a and the second battery 1b are single
It can be series connection or the first battery 1a and second battery between first battery 1a and the second battery 1b
Between 1b or it is connected in parallel；When the first battery 1a and the second battery 1b are multiple, Duo Gesuo
Stating between the first battery 1a and multiple second battery 1b to be series connection, or is connected in parallel, or more strings are more simultaneously
Connection type.
In one embodiment, the first battery 1a and the second battery 1b are connected in series by the series-parallel circuit.
In one embodiment, the first battery 1a and the second battery 1b are connected in parallel by the series-parallel circuit.
Be laser welding between the cathode metal piece 11 and the first nickel connection sheet 22, the negative metal piece 12 with
It is laser welding between the second nickel connection sheet 23.
In one embodiment, the battery 1 is flexible packing lithium ion battery.
It should be noted that in other embodiments, other secondary cells can also be used in the battery.
As shown in Figure 2 and Figure 4, in one embodiment, the single cathode metal piece 11 corresponds and single described the
The welding of one nickel connection sheet 22, the single negative metal piece 12 is corresponded to be welded with the single second nickel connection sheet 23.
In another embodiment (not shown), multiple cathode metal pieces and the single first nickel connection sheet are welded,
Multiple cathode metal pieces are coated by the single first nickel connection sheet, multiple negative metal pieces and list
A second nickel connection sheet welding, i.e., wrap multiple negative metal pieces by the single second nickel connection sheet
It covers.Being connected in parallel between multiple batteries is realized by the first nickel connection sheet and the second nickel connection sheet, to reduce
Difficulty is arranged in circuit on the battery protecting plate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of multi-series and parallel battery protecting plate component, which is characterized in that including battery protecting plate and multiple batteries, on the battery
Cathode metal piece and negative metal piece are led to, series-parallel circuit and charge and discharge protecting electricity are provided on the battery protecting plate
Road, the series-parallel circuit are electrically connected with the charge-discharge protection circuit, and multiple first nickel are provided on the battery protecting plate
Connection sheet and multiple second nickel connection sheets, the first nickel connection sheet include the first electrical connection section and the first bending segment, and described the
The side that the side of one bending segment is electrically connected section with described first is connect bently；The second nickel connection sheet includes the second electricity
Linkage section and the second bending segment, the side that the side of second bending segment is electrically connected section with described second are connect bently；
It is described first electrical connection section and it is described second electrical connection section be fixed on the battery protecting plate, and it is described first electrical connection section and
The second electrical connection section is electrically connected with the series-parallel circuit respectively, the cathode metal piece and the first nickel connection sheet electricity
Connection, the negative metal piece is electrically connected with the second nickel connection sheet, multiple batteries is serially connected and/or simultaneously
Connection；
The bottom surface of the cathode metal piece is electrically connected section with described first and abuts, after first bending segment bending with the anode
The top surface of sheet metal abuts；
The bottom surface of the negative metal piece is electrically connected section with described second and abuts, after second bending segment bending with the cathode
The top surface of sheet metal abuts.
2. multi-series and parallel battery protecting plate component according to claim 1, which is characterized in that the cathode metal piece is aluminium gold
Belong to piece, the negative metal piece is copper metal piece.
3. multi-series and parallel battery protecting plate component according to claim 1, which is characterized in that also set on the battery protecting plate
It is equipped with power supply line, the power supply line is introduced by the end of the battery protecting plate, and the power supply line and the charge and discharge protecting
Circuit electrical connection.
4. multi-series and parallel battery protecting plate component according to claim 1, which is characterized in that multiple batteries include first
Battery and the second battery, first battery and second battery are symmetrically disposed on the two sides of the battery protecting plate, described
The cathode metal piece and negative metal piece of first battery are located at first battery towards the end of the battery protecting plate, described
The cathode metal piece and negative metal piece of second battery are located at second battery towards the end of the battery protecting plate, multiple
The first nickel connection sheet is symmetrically disposed on the two sides inner edge of the battery protecting plate, and multiple second nickel connection sheets are symmetrically set
It is placed in the two sides inner edge of the battery protecting plate.
5. multi-series and parallel battery protecting plate component according to claim 4, which is characterized in that first battery and described
Two batteries are connected in series by the series-parallel circuit.
6. multi-series and parallel battery protecting plate component according to claim 4, which is characterized in that first battery and described
Two batteries are connected in parallel by the series-parallel circuit.
7. multi-series and parallel battery protecting plate component according to claim 1, which is characterized in that the cathode metal piece with it is described
It is laser welding between first nickel connection sheet, is laser welding between the negative metal piece and the second nickel connection sheet.
8. multi-series and parallel battery protecting plate component according to claim 1, which is characterized in that the battery be flexible-packaged lithium from
Sub- battery.
9. multi-series and parallel battery protecting plate component according to claim 1, which is characterized in that the single cathode metal piece one
The one corresponding and single first nickel connection sheet is welded, and the single negative metal piece corresponds and single second nickel connects
Contact pin welding.
10. multi-series and parallel battery protecting plate component according to claim 1, which is characterized in that multiple cathode metal pieces
It is welded with the single first nickel connection sheet, multiple negative metal pieces and the single second nickel connection sheet are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925924.2U CN209217107U (en) | 2018-11-21 | 2018-11-21 | A kind of multi-series and parallel battery protecting plate component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925924.2U CN209217107U (en) | 2018-11-21 | 2018-11-21 | A kind of multi-series and parallel battery protecting plate component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217107U true CN209217107U (en) | 2019-08-06 |
Family
ID=67460482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821925924.2U Active CN209217107U (en) | 2018-11-21 | 2018-11-21 | A kind of multi-series and parallel battery protecting plate component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209217107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668418A (en) * | 2020-06-17 | 2020-09-15 | 东风汽车有限公司 | Battery module assembly and assembly method |
-
2018
- 2018-11-21 CN CN201821925924.2U patent/CN209217107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668418A (en) * | 2020-06-17 | 2020-09-15 | 东风汽车有限公司 | Battery module assembly and assembly method |
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